1 /*

     2  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.internal.net.http;

    27 

    28 import java.io.IOException;

    29 import java.lang.ref.Reference;

    30 import java.net.Authenticator;

    31 import java.net.CookieHandler;

    32 import java.net.ProxySelector;

    33 import java.util.Optional;

    34 import java.util.concurrent.CompletableFuture;

    35 import java.util.concurrent.Executor;

    36 import javax.net.ssl.SSLContext;

    37 import javax.net.ssl.SSLParameters;

    38 import java.net.http.HttpClient;

    39 import java.net.http.HttpRequest;

    40 import java.net.http.HttpResponse;

    41 import java.net.http.HttpResponse.BodyHandler;

    42 import java.net.http.HttpResponse.PushPromiseHandler;

    43 import java.net.http.WebSocket;

    44 

    45 /**

    46  * An HttpClientFacade is a simple class that wraps an HttpClient implementation

    47  * and delegates everything to its implementation delegate.

    48  */

    49 final class HttpClientFacade extends HttpClient {

    50 

    51     final HttpClientImpl impl;

    52 

    53     /**

    54      * Creates an HttpClientFacade.

    55      */

    56     HttpClientFacade(HttpClientImpl impl) {

    57         this.impl = impl;

    58     }

    59 

    60     @Override

    61     public Optional<CookieHandler> cookieHandler() {

    62         return impl.cookieHandler();

    63     }

    64 

    65     @Override

    66     public Redirect followRedirects() {

    67         return impl.followRedirects();

    68     }

    69 

    70     @Override

    71     public Optional<ProxySelector> proxy() {

    72         return impl.proxy();

    73     }

    74 

    75     @Override

    76     public SSLContext sslContext() {

    77         return impl.sslContext();

    78     }

    79 

    80     @Override

    81     public SSLParameters sslParameters() {

    82         return impl.sslParameters();

    83     }

    84 

    85     @Override

    86     public Optional<Authenticator> authenticator() {

    87         return impl.authenticator();

    88     }

    89 

    90     @Override

    91     public HttpClient.Version version() {

    92         return impl.version();

    93     }

    94 

    95     @Override

    96     public Optional<Executor> executor() {

    97         return impl.executor();

    98     }

    99 

   100     @Override

   101     public <T> HttpResponse<T>

   102     send(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler)

   103         throws IOException, InterruptedException

   104     {

   105         try {

   106             return impl.send(req, responseBodyHandler);

   107         } finally {

   108             Reference.reachabilityFence(this);

   109         }

   110     }

   111 

   112     @Override

   113     public <T> CompletableFuture<HttpResponse<T>>

   114     sendAsync(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler) {

   115         try {

   116             return impl.sendAsync(req, responseBodyHandler);

   117         } finally {

   118             Reference.reachabilityFence(this);

   119         }

   120     }

   121 

   122     @Override

   123     public <T> CompletableFuture<HttpResponse<T>>

   124     sendAsync(HttpRequest req,

   125               BodyHandler<T> responseBodyHandler,

   126               PushPromiseHandler<T> pushPromiseHandler){

   127         try {

   128             return impl.sendAsync(req, responseBodyHandler, pushPromiseHandler);

   129         } finally {

   130             Reference.reachabilityFence(this);

   131         }

   132     }

   133 

   134     @Override

   135     public WebSocket.Builder newWebSocketBuilder() {

   136         try {

   137             return impl.newWebSocketBuilder();

   138         } finally {

   139             Reference.reachabilityFence(this);

   140         }

   141     }

   142 

   143     @Override

   144     public String toString() {

   145         // Used by tests to get the client's id.

   146         return impl.toString();

   147     }

   148 }